Nearest road

library(osrm)

## Warning: package 'osrm' was built under R version 3.6.2

## Data: (c) OpenStreetMap contributors, ODbL 1.0 - http://www.openstreetmap.org/copyright

## Routing: OSRM - http://project-osrm.org/

library(osrmr)

## Warning: package 'osrmr' was built under R version 3.6.3

a <- c(47.054790,-21.574597)
b <- c( 47.062576,-21.573601)
osrmRoute(src =a ,dst = b,overview = FALSE )

## duration distance 
##     1.98     0.79

image

nearest(-21.574597, 47.054790, api_version = 5, localhost = F, timeout = 0.1)

##         lat      lng
## 1 -21.57064 47.05663

image